321422113 has 2 divisors, whose sum is σ = 321422114. Its totient is φ = 321422112.

The previous prime is 321422099. The next prime is 321422117. The reversal of 321422113 is 311224123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287234704 + 34187409 = 16948^2 + 5847^2 .

It is a cyclic number.

It is not a de Polignac number, because 321422113 - 2⁵ = 321422081 is a prime.

It is not a weakly prime, because it can be changed into another prime (321422117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160711056 + 160711057.

It is an arithmetic number, because the mean of its divisors is an integer number (160711057).

Almost surely, 2^321422113 is an apocalyptic number.

It is an amenable number.

321422113 is a deficient number, since it is larger than the sum of its proper divisors (1).

321422113 is an equidigital number, since it uses as much as digits as its factorization.

321422113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 321422113 is about 17928.2490221438. The cubic root of 321422113 is about 685.0021226425.

Adding to 321422113 its reverse (311224123), we get a palindrome (632646236).

The spelling of 321422113 in words is "three hundred twenty-one million, four hundred twenty-two thousand, one hundred thirteen".